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What happen when nitric acid is …

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What happen when nitric acid is added to egg shell
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Meghna Thapar 5 years, 6 months ago

Egg shell is made of calcium carbonate. We know that when calcium carbonate reacts with nitric acid, it gives carbon dioxide, calcium nitrate and water. Same reaction happens when nitric acid is poured over egg shell. Upon mixing of concentrated hydrochloric acid and concentrated nitric acid, chemical reactions occur. These reactions result in the volatile products nitrosyl chloride and chlorine gas:

HNO3 (aq) + 3 HCl (aq) → NOCl (g) + Cl2 (g) + 2 H2O. as evidenced by the fuming nature and characteristic yellow color of aqua regia.

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